 function setID(id) {
 	sessionStorage.setItem('ID', id)
 }

 function setTableId(id) {
 	sessionStorage.setItem('tableId', id)
 }

 function removeTableId() {
 	sessionStorage.removeItem('tableId')
 }

 function btnImg(duration) {
 	switch (duration) {
 		case "modify":
 			return '修改'
 		case "refresh":
 			return '刷新'
 		case "add":
 			return '新增'
 		case "search":
 			return '筛选'
 		case "delete":
 			return '删除'
 		case "submit":
 			return '提交'
 		case "sure":
 			return '确定'
 	}
 }